{"id":"CVE-2025-6203","sourceIdentifier":"security@hashicorp.com","published":"2025-08-28T20:15:43.817","lastModified":"2026-09-26T00:10:00.127","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"A malicious user may submit a specially-crafted complex payload that otherwise meets the default request size limit which results in excessive memory and CPU consumption of Vault. This may lead to a timeout in Vault’s auditing subroutine, potentially resulting in the Vault server to become unresponsive. This vulnerability, CVE-2025-6203, is fixed in Vault Community Edition 1.20.3 and Vault Enterprise 1.20.3, 1.19.9, 1.18.14, and 1.16.25."},{"lang":"es","value":"Un usuario malintencionado puede enviar una carga útil compleja especialmente diseñada que, por lo demás, cumple con el límite de tamaño de solicitud predeterminado, lo que resulta en un consumo excesivo de memoria y CPU de Vault. Esto puede provocar un tiempo de espera en la subrutina de auditoría de Vault, lo que podría resultar en que el servidor de Vault deje de responder. Esta vulnerabilidad, CVE-2025-6203, está corregida en Vault Community Edition 1.20.3 y Vault Enterprise 1.20.3, 1.19.9, 1.18.14 y 1.16.25."}],"affected":[{"source":"security@hashicorp.com","affectedData":[{"vendor":"HashiCorp","product":"Vault","defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/vault","versions":[{"version":"1.15.0","lessThan":"1.21.0","versionType":"semver","status":"affected"}]},{"vendor":"HashiCorp","product":"Vault Enterprise","defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"repo":"https://github.com/hashicorp/vault","versions":[{"version":"1.15.0","lessThan":"1.21.2","versionType":"semver","status":"affected","changes":[{"at":"1.20.5","status":"unaffected"},{"at":"1.19.11","status":"unaffected"},{"at":"1.16.27","status":"unaffected"}]}]}]}],"metrics":{"cvssMetricV31":[{"source":"security@hashicorp.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-08-29T13:36:43.373189Z","id":"CVE-2025-6203","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security@hashicorp.com","type":"Secondary","description":[{"lang":"en","value":"CWE-770"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"1.15.0","versionEndExcluding":"1.16.27","matchCriteriaId":"C75B707B-CECA-4F3F-B7A5-3A63627E23E0"},{"vulnerable":true,"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*","versionStartIncluding":"1.15.0","versionEndExcluding":"1.21.0","matchCriteriaId":"FFB5EFCB-595D-405C-AEE5-D3A674079A42"},{"vulnerable":true,"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"1.18.0","versionEndExcluding":"1.18.15","matchCriteriaId":"BB39834B-EF79-4C8B-B344-D81B15652821"},{"vulnerable":true,"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"1.19.0","versionEndExcluding":"1.19.11","matchCriteriaId":"167CFBBB-E0DF-42AB-84AA-4BF19C3873DB"},{"vulnerable":true,"criteria":"cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*","versionStartIncluding":"1.20.0","versionEndExcluding":"1.20.5","matchCriteriaId":"466A7DC1-B9A3-4413-AA3E-AFAF34350E52"}]}]}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393","source":"security@hashicorp.com","tags":["Vendor Advisory"]}]}